/**
  *  For mobile
  *  1. 控制字体是否可以被缩放,建议不要在全局加,改为在需要的标签上添加.
  */

html,
body {
  -webkit-touch-callout: none;
  /* -webkit-text-size-adjust: none; */ /* 1 */
  -webkit-tap-highlight-color: rgba(0, 0, 0, 0);
  /* -webkit-user-select: none; */
  -webkit-overflow-scrolling: touch;

  /* 如果在移动端使用 REM 方案，推荐在 body 上重置 font-size 为 16px，避免页面加载时闪动。 */
  /* font-size: 16px; */
}

/* ==========================================================================
    Links
    ========================================================================== */

/**
  * 1.Remove the gray background color from active links in IE 10.
  */

a {
  background: transparent; /* 1 */
  text-decoration: none;
}

/**
  * Remove focus style, remember to define focus styles.
  */

:focus {
  outline: none;
}

/**
  * Improve readability when focused and also mouse hovered in all browsers.
  */

a:active,
a:hover {
  outline: 0;
}

/**
  * Remove a's decoration.
  */

:link,
:visited {
  text-decoration: none;
}

/* ==========================================================================
    Typography
    ========================================================================== */

/**
  * Address variable `h1` font-size and margin within `section` and `article`
  * contexts in Firefox 4+, Safari 5, and Chrome.
  */

h1 {
  font-size: 2em;
  margin: 0.67em 0;
}

/**
  * Address styling not present in IE 8/9, Safari 5, and Chrome.
  */

abbr[title] {
  border-bottom: 1px dotted;
}

/**
  * Address style set to `bolder` in Firefox 4+, Safari 5, and Chrome.
  */

b,
strong {
  font-weight: bold;
}

/**
  * Address styling not present in Safari 5 and Chrome.
  */

dfn {
  font-style: italic;
}

/**
  * Address differences between Firefox and other browsers.
  */

hr {
  -moz-box-sizing: content-box;
  box-sizing: content-box;
  height: 0;
}

/**
  * Address styling not present in IE 8/9.
  */

mark {
  background: #ff0;
  color: #000;
}

/**
  * Correct font family set oddly in Safari 5 and Chrome.
  */

code,
kbd,
pre,
samp {
  font-family: monospace, serif;
  font-size: 1em;
}

/**
  * Improve readability of pre-formatted text in all browsers.
  */

pre {
  white-space: pre-wrap;
}

/**
  * Set consistent quote types.
  */

q {
  quotes: '\201C''\201D''\2018''\2019';
}

/**
  * Address inconsistent and variable font size in all browsers.
  */

small {
  font-size: 80%;
}

/**
  * Prevent `sub` and `sup` affecting `line-height` in all browsers.
  */

sub,
sup {
  font-size: 75%;
  line-height: 0;
  position: relative;
  vertical-align: baseline;
}

sup {
  top: -0.5em;
}

sub {
  bottom: -0.25em;
}

/* ==========================================================================
    Embedded content
    ========================================================================== */

/**
  * Remove border when inside `a` element in IE 8/9.
  */

img {
  border: 0;
}

/**
  * Correct overflow displayed oddly in IE 9.
  */

svg:not(:root) {
  overflow: hidden;
}

/* ==========================================================================
    Figures
    ========================================================================== */

/**
  * Address margin not present in IE 8/9 and Safari 5.
  */

figure {
  margin: 0;
}

/* ==========================================================================
    Forms
    ========================================================================== */

/**
  * Define consistent border, margin, and padding.
  */

fieldset {
  border: 1px solid #c0c0c0;
  margin: 0 2px;
  padding: 0.35em 0.625em 0.75em;
}

/**
  * 1. Correct `color` not being inherited in IE 8/9.
  * 2. Remove padding so people aren't caught out if they zero out fieldsets.
  */

legend {
  border: 0; /* 1 */
  padding: 0; /* 2 */
}

/**
  * 1. Correct font family not being inherited in all browsers.
  * 2. Correct font size not being inherited in all browsers.
  * 3. Address margins set differently in Firefox 4+, Safari 5, and Chrome.
  */

button,
input,
select,
textarea {
  font-family: inherit; /* 1 */
  font-size: 100%; /* 2 */
  margin: 0; /* 3 */
  padding: 0;
  border: 0;
}

/**
  * Address Firefox 4+ setting `line-height` on `input` using `!important` in
  * the UA stylesheet.
  */

button,
input {
  line-height: normal;
}

/**
  * Address inconsistent `text-transform` inheritance for `button` and `select`.
  * All other form control elements do not inherit `text-transform` values.
  * Correct `button` style inheritance in Chrome, Safari 5+, and IE 8+.
  * Correct `select` style inheritance in Firefox 4+ and Opera.
  */

button,
select {
  text-transform: none;
}

/**
  * 1. Avoid the WebKit bug in Android 4.0.* where (2) destroys native `audio`
  *    and `video` controls.
  * 2. Correct inability to style clickable `input` types in iOS.
  * 3. Improve usability and consistency of cursor style between image-type
  *    `input` and others.
  */

button,
html input[type="button"], /* 1 */
input[type="reset"],
input[type="submit"] {
  -webkit-appearance: none; /* 2 */
  cursor: pointer; /* 3 */
}

/**
  * Re-set default cursor for disabled elements.
  */

button[disabled],
html input[disabled] {
  cursor: default;
}

/**
  * 1. Address box sizing set to `content-box` in IE 8/9/10.
  * 2. Remove excess padding in IE 8/9/10.
  */

input[type='checkbox'],
input[type='radio'] {
  box-sizing: border-box; /* 1 */
  padding: 0; /* 2 */
}

/**
  * 1. Address `appearance` set to `searchfield` in Safari 5 and Chrome.
  * 2. Address `box-sizing` set to `border-box` in Safari 5 and Chrome
  *    (include `-moz` to future-proof).
  */

input[type='search'] {
  -webkit-appearance: textfield; /* 1 */
  -moz-box-sizing: content-box;
  -webkit-box-sizing: content-box; /* 2 */
  box-sizing: content-box;
}

/**
  * Remove inner padding and search cancel button in Safari 5 and Chrome
  * on OS X.
  */

input[type='search']::-webkit-search-cancel-button,
input[type='search']::-webkit-search-decoration {
  -webkit-appearance: none;
}

input {
  -webkit-appearance: none;
}

input[type='number'] {
  -moz-appearance: textfield;
}

/**
  * Remove inner padding and border in Firefox 4+.
  */

button::-moz-focus-inner,
input::-moz-focus-inner {
  border: 0;
  padding: 0;
}

/**
  * 1. Remove default vertical scrollbar in IE 8/9.
  * 2. Improve readability and alignment in all browsers.
  */

textarea {
  overflow: auto; /* 1 */
  vertical-align: top; /* 2 */
}

/* ==========================================================================
    Tables
    ========================================================================== */

/**
  * Remove most spacing between table cells.
  */

table {
  border-collapse: collapse;
  border-spacing: 0;
}

td,
th {
  padding: 0;
}

ol,
ul {
  list-style: none;
}
